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Williston, Tennessee

City in Fayette County, Tennessee

Air quality

The air at Williston

Index 30, good, led by ozone. Read at 2 AM from its reporting area, Memphis (TN), 35 miles off.

30Good
  • Ozone30Good-

The days ahead

Good each day through Sat Oct 17, led by ozone. Yesterday measured 56, moderate.

Smoke, the next 41 hours

Little smoke near the ground through Sat 7 PM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Williston

None in the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Williston, the next 41 hours

Visibility stays 10 miles or more through Sat 7 PM.

FriSat

On the radar over Williston, TennesseeReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Williston, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.6 miles away.

measured now3 instruments

SomervilleFYE

At an airfield/3.6 mi away/436 ft/45 ft below here

temp, wind, gust, visibility, precip, pressure

Rank11of 1,019

measured daily2 instruments

Station report

The weather at Somerville, drawn

The nearest airport reporting now, 3.6 mi from Williston, Tennessee. From its report of Oct 16, 2026, 2:35 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 5,500 ft; visibility 10 mi or more.

Section of the sky over Somerville, height above the station to scale: a few clouds cloud with its base at 5,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FYEFIG. A THE SKY OVER SOMERVILLESECTION, HEIGHT ABOVE THE STATION TO SCALE, EACH LAYER AT THE HEIGHT OF ITS BASE AS REPORTED; COVER IN EIGHTHS OF THE SKY; TOPS NOT MEASUREDFT ABOVE THE STATION02,5005,0007,50010,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETFEW 5,500 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLESomerville, the skySTATION REPORT · ASOS FYETYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-FYE-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

73.4 F with a dew point of 57.2 F, 57 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,700 ft up; the lowest cloud reported is at 5,500 ft.

Chart of the air at Somerville: temperature 73.4 degrees Fahrenheit and dew point 57.2, 57 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,700 feet above the station, against the lowest cloud reported at 5,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FYEFIG. B THE AIR AT SOMERVILLETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,00040 F50 F60 F70 F80 FSATURATES 3,700 FT ABOVE THE STATION, AT 53.5 FLOWEST CLOUD REPORTED, FEW 5,500 FTTEMPERATURE 73.4 FDEW POINT 57.2 FSPREAD 16.2 FRELATIVE HUMIDITY 57 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLESomerville, the airSTATION REPORT · ASOS FYETYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-FYE-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southwest (210 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 12 mph.

Plan of the wind at Somerville, north up: blowing from 210 degrees, the south southwest, at 6 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FYEFIG. C THE WIND AT SOMERVILLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 210°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESomerville, the windSTATION REPORT · ASOS FYETYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-FYE-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Somerville, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Grand Junction - Ames Plantation (GRJT1), 9.9 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in Tennessee

23 places, each with its own forecast and its own instruments.

Near Williston

The nearest places, each with its own forecast and the instruments nearest it.

Near Williston

River and lake gauges